environmental impacts of christchurch earthquake 2011

Shapes of the continents can fit into each other like a jigsaw puzzle would. It was the middle of a working day and many people were at school or work, having lunch or running errands. Interested in joining as an author? And 59% believed the recovery to be a convenient excuse to push the government’s own agendas. Rescue workers are lowered by crane onto the top of the Christchurch Cathedral in Christchurch, New Zealand, Feb. 25, 2011 after the city was hit by a 6.3 earthquake Feb 22. The Christchurch soil type is mainly loose to moderately saturated granular soils with poor drainage.This caused liquefaction to be presented during the Christchurch Earthquake. Paleoseismicity.org is a page dedicated to scientists and everyone else interested in paleoseismology, archeoseismology, neotectonics, earthquake archeology, earthquake engineering and related topics. It was the biggest earthquake since 1931. This move was met with concern. Christchurch Cathedral showing the effects of the February 2011 earthquake. A glossary is included. The combined effects of the earthquake and tsunami (known as the Tohoku event) devastated the area of northeast Japan, resulting in widespread infrastructure destruction, loss of life, and environmental contamination. Thousands of tremors have … Volume 14, Part 1, Pages 1-104 (December 2015) Download full issue. The September quake had occurred in the early hours of the morning with family generally close at hand. That approach has excluded many individuals and community organisations. Earthquakes have a number of profound effects on local ecosystems, but the most important effect earthquakes have is that they change habitats abruptly. Choose Historic earthquakes to find the pages on The 2010 Canterbury (Darfield) earthquake and The 2011 Christchurch earthquake and other recent earthquakes. The Christchurch earthquakes from 2011 have remained in memory as an unforgettable event. The 22 February 2011 earthquake (Christchurch 1 . The earthquake happened on a conservative plate margin between the Pacific Plate and the Australian Plate. The February earthquake was also much more … Initial effects: The economic heart of Christchurch is shut down. A key reason for this is that a double blow often occurs. The 2011 Christchurch earthquake series had severe consequences and surprised scientists for many reasons. Note: The glossary is at the end of the main body of the report. The M w 6.0 (M L 6.4) Christchurch earthquake on 13 June 2011 was preceded 1 h 20 min earlier by a M L 5.6 earthquake; these events and related aftershocks were located primarily in southeast Christchurch along a NNW-trending alignment, although some large aftershocks (e.g., 21 June 2011 M L 5.4; Table 1) continued to occur in the gap between the … All together there are 12 large plates and 8 smaller plates; these plates move around in different directions at a pace of 2 cm once a year. (2012). Previous vol/issue. The port was damaged, and many roads cracked. Primary Impacts Because of the 185 deaths and the 2000 people injured, this earthquake was made the second-deadliest natural disaster recorded in New Zealand. The EM strategy, model and practice in New Zealand were also discussed. Identifying the economic impact is difficult. Note: The glossary is at the end of the main body of the report. The Canterbury earthquakes of 2010-11 required a momentous recovery undertaking by the City of Christchurch in New Zealand. Despite the signs of progress, the government’s approach has caused simmering discontent in the local community. These are highly regarded for their community-driven approach. … 2011. Christchurch's Catholic cathedral damaged after the earthquake, in 2011. The political approach of the national government to response and recovery has raised important issues for understanding the politics of disasters. In the words of one survivor, “You feel very vulnerable.” The Central Business District of New Zealand’s second largest city bore the brunt of the quake, centred in … This applies particularly in Australia, which has experienced widespread bushfires from Western Australia to Tasmania. Christchurch is finally starting to enter a phase of sustained construction. Just click the "Unsubscribe" link which you find in every newsletter you get and your email adress will be removed from the subscribers list in seconds. This was the second major earthquake to hit the city; the previous quake occurred on 4 September 2010 and registered at a 7.1 magnitude. Rescue workers are lowered by crane onto the top of the Christchurch Cathedral in Christchurch, New Zealand, Feb. 25, 2011 after the city was hit by a 6.3 earthquake Feb 22. The primary provision for community engagement in the act is a 20-person committee appointed by the minister. How Do Earthquakes Affect the Environment? We extend the extant literature on this topic in a number of ways. noun, plural -ties. It is hard to disentangle the effects of the earthquakes from other But the magnitude 9, mega thrust Tohuku earthquake that struck Japan in 2011 was 80 times stronger again and the equivalent of … Social Impact. Most Cantabrians were away from their homes when the 6.3-magnitude earthquake struck at 12.51 p.m. on 22 February 2011. Two people have seriously injured - one by a falling chimney and the other by shattered glass, and one man died of a heart attack, but this doesn't count as a fatality. The latest events are most likely aftershocks of the M6.3 earthquake that devastated Christchurch and left more than 180 people dead at 22 February, 2011 and of the M7.0 event in September last year. About $2 billion worth of damage has been done, much of this damage will impede economic activity. The city faced enormous challenges. These were the seeds of what Smith … Thousands more were made homeless, and an area more than four times the size of London's Hyde Park was deemed uninhabitable.     At least 15,899 people died, and another 2,500 went missing. The Christchurch Earthquake (2011) Home; Causes ; Impacts ; Mitigation; References; Plate Tectonics. The Impacts of the Christchurch Earthquake. The Christchurch earthquake of 2011 had widespread mental health effects on the population. The Christchurch Cathedral remains in a state of disrepair. It lasted only 10 seconds. Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading. Research following the Christchurch earthquakes has shown that increasing exposure to the damage and trauma of a natural disaster is correlated with an increase in depression, anxiety, and … The keenly awaited Margaret Mahy children’s playground has opened. Then, more than five months after the mainshock, on 22 February 2011, a M6.3 aftershock occurred 5 km south-east of Christchurch at a depth of only 5 km. Download PDFs Export citations. Earthquake debris from the Lyttelton Harbour reclamation has been washing up on nearby beaches, leading residents to question its environmental impact. The 2010-2011 Canterbury Earthquake Sequence: Personal, Social, Governance and Environmental Consequences . tē ] Earthquake) was New Zealand’s worst natural disaster - 185 people lost their … The current study examines the impact that the Canterbury Earthquakes have had on the temporal and spatial patterning of crime in Christchurch. The 22 February 2011 earthquake caused 185 fatalities, injured 3,129 people, and 1,293 were injured in the aftermath. Impacts of Christchurch Earthquake In total, the 'rehabilitation' costs $15.1 billion dollars worth of damage, Many businesses needed to fire employees due to the heavy re-building fee. Air and water quality were also impacted, with water-based recreational activities halted until November 2011. Research following the Christchurch earthquakes has shown that increasing exposure to the damage and trauma of a natural disaster is correlated with an increase in depression, anxiety, and posttraumatic stress disorder (PTSD). Please contact us! Next vol/issue. A strong feeling exists in the city that the community can undertake this task. SuperSealing’s task was to help prevent road and pathway erosion that had suffered extensive … People are dislocated, injured, or busy trying to get their personal lives together. Media report on environmental effects like liquefaction, landslides and rockfalls. You can also find Personal stories of the 2010–11 Canterbury earthquakes. To get some sense of scale, the Christchurch 2011 quake at a 6.3 involved a release of energy equivalent to four Hiroshima atomic bombs. Raven Marie Cretney receives funding through the Australian Government APA scholarship scheme. Other agencies also felt the effects of this approach. The Christchurch earthquake of 2011 had widespread mental health effects on the population. On 22 February 2011, Canterbury and its largest city Christchurch experienced its second major earthquake within six months. Different authors irregularly write about recent papers, field work, problems, conferences or just interesting things that they come across. Background . 55, The 2010–2011 Canterbury earthquake sequence, pp. Martin Luff/CC-BY-SA 2.0. Thousands of tremors have been recorded since the February 22 earthquake that killed 185 people, injured thousands, destroyed more than 50% of the CBD and damaged tens of thousands of homes. Unfortunately, this was exactly the situation some academics feared the creation of the CERA would create. The community organisations that sprang up from the rubble have provided hope, social services and public spaces for those living through their own personal recovery alongside that of the city. Even though the February 2011 earthquake was smaller in magnitude than the September 2010 earthquake, its impact was much greater. 255-269. 2010-2011 Christchurch earthquakes is estimated to be in the range between 25 and 30 billion NZ dollars (or 15% to 18% of New Zealand’s GDP). Lateral spreading and its impacts in urban areas in the 2010–2011 Christchurch earthquakes. To carry out more democratic and community-focused recovery, authorities need to actively appreciate and collaborate with residents, organisations and communities. The 2011 Christchurch earthquake series had severe consequences and surprised scientists for many reasons. Multiple buildings collapsed, and the city was impacted by burst water mains, flooding, liquefaction and power outages. the land change effects of the earthquakes. These issues are relevant elsewhere too as climate-related disasters become more frequent. The Canterbury earthquakes of 2010-11 required a momentous recovery undertaking by the City of Christchurch in New Zealand. Other studies have found that more than 75% of respondents disagreed with the government’s recovery priorities. Of particular concern are those that challenge the democratic right to local participation and representation. In early 2010, the government had removed the democratically elected officials of the regional council Environment Canterbury. An Earthquake Commission process of quick damage assessment to 180,000 homes starts in Christchurch, New Zealand. Media report on environmental effects like liquefaction, landslides and rockfalls. These may have adversely affected aquatic ecosystems in the Avon/O Approximately 25% of all buildings in the Christchurch CBD have been “red tagged” or deemed unsafe to enter. Finally, the characteristics of Christchurch liquefaction and its impacts on built environment are discussed in relation to the liquefaction-induced damage in Japan during the 11 March 2011 Great East Japan Earthquake. Perhaps the longest-lasting impact of the Tohoku event will result from the damage to the nuclear power plants along the coast and the subsequent release of … The Christchurch, New Zealand earthquake on 22 February 2011 resulted in a severely modified soil environment for vast areas of the city. Over half of the deaths occurred in the 6-storey Canterbury Television (CTV) Building, which collapsed and caught fire … In this seminar, Dr Prasanna looked at the geography and natural disaster risk profile of New Zealand followed by a discussion on the NZ’s emergency and service management hierarchies. All together there are 12 large plates and 8 smaller plates; these plates move around in different directions at a pace of 2 cm once a year. ... Earthquake environmental effects (EEE), especially liquefaction, were intense and widespread. The combined effects of the earthquake and tsunami (known as the Tohoku event) devastated the area of northeast Japan, resulting in widespread infrastructure destruction, loss of life, and environmental contamination. This meant that even though some large buildings collapsed, few people were nearby them when they were damaged. Shapes of the continents can fit into each other like a jigsaw puzzle would. The September earthquake happened at night, when most people were at home asleep. RMIT University provides funding as a strategic partner of The Conversation AU. Electricity to 75 per cent of the city was cut in the September quake. Edited by Douglas Paton, David Johnston. Similarly, it is asked, what was the impact of the Christchurch earthquake 2011? This, in turn, has contributed to feelings of disenfranchisement and disillusion. Under further legislation introduced after the February 2011 earthquake, the Canterbury Earthquake Recovery Authority (CERA) gained wide-ranging control of the recovery. Christchurch Cathedral showing the effects of the February 2011 earthquake. Almost immediately after the first big, but non-fatal, earthquake in September 2010, the government introduced legislation that gave a newly appointed earthquake recovery minister the power to amend almost any statute to support the recovery. It has been five years since a major earthquake hit the New Zealand city of Christchurch, but thousands of residents are still waiting for their homes to be repaired or rebuilt, writes Michael Ertl. Initiatives such as Greening the Rubble, Gap Filler and Agropolis have demonstrated the possibilities for citizen-led recovery. Many residents, when interviewed, mentioned the importance of these organisations and their projects. The Christchurch Earthquake (2011) Home; Causes ; Impacts ; Mitigation; References; Plate Tectonics. The 22 February 2011 earthquake (Christchurch 1 . To understand these perspectives and why people are dissatisfied, it is necessary to explore what the government did. Ancient earthquake activity. The plates themselves are estimated to be around 2900 km thick. On 22 February 2011, a 6.3 magnitude earthquake struck Christchurch shortly before 12:50pm at a shallow depth of four kilometres. Write an article and join a growing community of more than 119,900 academics and researchers from 3,852 institutions. It turned out that subsequent quakes reactivated the same feeder dikes of sand blows, showing that saturated sediments are susceptible of liquefaction no … Impacts on the natural environment The Canterbury earthquakes caused a significant change to the natural environment, including liquefaction, lateral spread near waterways, land level changes, and numerous rockfalls and landslides. This paper focuses on the performance of potable water system of Christchurch during the 2010-2011 earthquakes and particularly examines the impacts of liquefaction on this pipe network during Home » Science » Geology, Environment & Weather » 2011 Christchurch earthquake The February 2011 Christchurch quake was a compelling indigenous occasion that severely harmed New Zealand’s second-most vast city, executing 185 individuals in one of the country’s deadliest peacetime fiascos. Get Started. Many people expressed displeasure at the treatment of residents in official processes. 2011 earthquake were reviewed including: ... the Christchurch Earthquake While many will recall the earthquakes that struck Christchurch, New Zealand in September 2010 and February 2011, perhaps few will appreciate that, as well as dealing with the immediate needs of the community, the fire service was itself a ‘victim’ of the earthquake. Apart from physical injuries, international literature suggests that psychosocial recovery after a disaster can take five to ten years. One month on from the magnitude 6.3 earthquake that hit Christchurch on February 23, the physical and psycholigical effects are still being felt. Existing alongside these higher-level politics during the disaster recovery period is a thriving network of community and grassroots groups. The Christchurch earthquake of February 2011 . People needing elective surgery are unable to get it. 16000 people migrate from Christchurch due to earthquake People unable to work as many businesses are damaged and destroyed. Liquefaction is a natural process where earthquake shaking increases the water pressure in the ground causing some soils to behave like a fluid, resulting in temporary loss of soil strength. Five years on, what insight can we glean from the fallout? The Christchurch cathedral was toppled over and demolished from the earthquake on Feb 22, 2011. A glossary is included. The most prominent example is the creation of a unit within the CERA to manage the city centre rebuild, removing the task from the locally elected city council. In February most of the city was without power. The Commons, a Gap Filler project providing public space and activities in the central city. Liquefaction can cause significant damage to land, buildings and infrastructure, through sediment being ejected to the ground surface, and subsequent ground settlement, ground cracking and … Christchurch earthquake: 10,000 homes face demolition . However, it must be asked why the earthquake recovery legislation did not adopt extensive parts of the New Zealand civil defence plan and strategy. Many remain unresolved. In particular, legal academics highlighted the unprecedented nature of the legislation and the truncated democratic process. Actions for selected articles. The Canterbury earthquakes of 2010-11 required a momentous recovery undertaking by the City of Christchurch in New Zealand. 55, environmental impacts of christchurch earthquake 2011 government had removed the democratically elected officials of the earthquakes as one justification busy. 7.1 magnitude earthquake struck the city centre during the recovery to be presented during Christchurch. 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